﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NullObject
{
   public class RealStudent:Student
    {
       string name;
       public RealStudent(string name)
       {
           this.name = name;
       }
       public override string GetName()
       {
           return name;
       }
    }
}
